How to use markSpawnedWork method in Playwright Internal

Best JavaScript code snippet using playwright-internal

ReactFiberCompleteWork.new.js

Source:ReactFiberCompleteWork.new.js

...802                'This is probably a bug in React.',803            );804            prepareToHydrateHostSuspenseInstance(workInProgress);805            if (enableSchedulerTracing) {806              markSpawnedWork(OffscreenLane);807            }808            return null;809          } else {810            // We should never have been in a hydration state if we didn't have a current.811            // However, in some of those paths, we might have reentered a hydration state812            // and then we might be inside a hydration state. In that case, we'll need to exit out of it.813            resetHydrationState();814            if ((workInProgress.flags & DidCapture) === NoFlags) {815              // This boundary did not suspend so it's now hydrated and unsuspended.816              workInProgress.memoizedState = null;817            }818            // If nothing suspended, we need to schedule an effect to mark this boundary819            // as having hydrated so events know that they're free to be invoked.820            // It's also a signal to replay events and the suspense callback.821            // If something suspended, schedule an effect to attach retry listeners.822            // So we might as well always mark this.823            workInProgress.flags |= Update;824            return null;825          }826        }827      }828      if ((workInProgress.flags & DidCapture) !== NoFlags) {829        // Something suspended. Re-render with the fallback children.830        workInProgress.lanes = renderLanes;831        // Do not reset the effect list.832        if (833          enableProfilerTimer &&834          (workInProgress.mode & ProfileMode) !== NoMode835        ) {836          transferActualDuration(workInProgress);837        }838        return workInProgress;839      }840      const nextDidTimeout = nextState !== null;841      let prevDidTimeout = false;842      if (current === null) {843        if (workInProgress.memoizedProps.fallback !== undefined) {844          popHydrationState(workInProgress);845        }846      } else {847        const prevState: null | SuspenseState = current.memoizedState;848        prevDidTimeout = prevState !== null;849      }850      if (nextDidTimeout && !prevDidTimeout) {851        // If this subtreee is running in blocking mode we can suspend,852        // otherwise we won't suspend.853        // TODO: This will still suspend a synchronous tree if anything854        // in the concurrent tree already suspended during this render.855        // This is a known bug.856        if ((workInProgress.mode & BlockingMode) !== NoMode) {857          // TODO: Move this back to throwException because this is too late858          // if this is a large tree which is common for initial loads. We859          // don't know if we should restart a render or not until we get860          // this marker, and this is too late.861          // If this render already had a ping or lower pri updates,862          // and this is the first time we know we're going to suspend we863          // should be able to immediately restart from within throwException.864          const hasInvisibleChildContext =865            current === null &&866            workInProgress.memoizedProps.unstable_avoidThisFallback !== true;867          if (868            hasInvisibleChildContext ||869            hasSuspenseContext(870              suspenseStackCursor.current,871              (InvisibleParentSuspenseContext: SuspenseContext),872            )873          ) {874            // If this was in an invisible tree or a new render, then showing875            // this boundary is ok.876            renderDidSuspend();877          } else {878            // Otherwise, we're going to have to hide content so we should879            // suspend for longer if possible.880            renderDidSuspendDelayIfPossible();881          }882        }883      }884      if (supportsPersistence) {885        // TODO: Only schedule updates if not prevDidTimeout.886        if (nextDidTimeout) {887          // If this boundary just timed out, schedule an effect to attach a888          // retry listener to the promise. This flag is also used to hide the889          // primary children.890          workInProgress.flags |= Update;891        }892      }893      if (supportsMutation) {894        // TODO: Only schedule updates if these values are non equal, i.e. it changed.895        if (nextDidTimeout || prevDidTimeout) {896          // If this boundary just timed out, schedule an effect to attach a897          // retry listener to the promise. This flag is also used to hide the898          // primary children. In mutation mode, we also need the flag to899          // *unhide* children that were previously hidden, so check if this900          // is currently timed out, too.901          workInProgress.flags |= Update;902        }903      }904      if (905        enableSuspenseCallback &&906        workInProgress.updateQueue !== null &&907        workInProgress.memoizedProps.suspenseCallback != null908      ) {909        // Always notify the callback910        workInProgress.flags |= Update;911      }912      return null;913    }914    case HostPortal:915      popHostContainer(workInProgress);916      updateHostContainer(workInProgress);917      if (current === null) {918        preparePortalMount(workInProgress.stateNode.containerInfo);919      }920      return null;921    case ContextProvider:922      // Pop provider fiber923      popProvider(workInProgress);924      return null;925    case IncompleteClassComponent: {926      // Same as class component case. I put it down here so that the tags are927      // sequential to ensure this switch is compiled to a jump table.928      const Component = workInProgress.type;929      if (isLegacyContextProvider(Component)) {930        popLegacyContext(workInProgress);931      }932      return null;933    }934    case SuspenseListComponent: {935      popSuspenseContext(workInProgress);936      const renderState: null | SuspenseListRenderState =937        workInProgress.memoizedState;938      if (renderState === null) {939        // We're running in the default, "independent" mode.940        // We don't do anything in this mode.941        return null;942      }943      let didSuspendAlready = (workInProgress.flags & DidCapture) !== NoFlags;944      const renderedTail = renderState.rendering;945      if (renderedTail === null) {946        // We just rendered the head.947        if (!didSuspendAlready) {948          // This is the first pass. We need to figure out if anything is still949          // suspended in the rendered set.950          // If new content unsuspended, but there's still some content that951          // didn't. Then we need to do a second pass that forces everything952          // to keep showing their fallbacks.953          // We might be suspended if something in this render pass suspended, or954          // something in the previous committed pass suspended. Otherwise,955          // there's no chance so we can skip the expensive call to956          // findFirstSuspended.957          const cannotBeSuspended =958            renderHasNotSuspendedYet() &&959            (current === null || (current.flags & DidCapture) === NoFlags);960          if (!cannotBeSuspended) {961            let row = workInProgress.child;962            while (row !== null) {963              const suspended = findFirstSuspended(row);964              if (suspended !== null) {965                didSuspendAlready = true;966                workInProgress.flags |= DidCapture;967                cutOffTailIfNeeded(renderState, false);968                // If this is a newly suspended tree, it might not get committed as969                // part of the second pass. In that case nothing will subscribe to970                // its thennables. Instead, we'll transfer its thennables to the971                // SuspenseList so that it can retry if they resolve.972                // There might be multiple of these in the list but since we're973                // going to wait for all of them anyway, it doesn't really matter974                // which ones gets to ping. In theory we could get clever and keep975                // track of how many dependencies remain but it gets tricky because976                // in the meantime, we can add/remove/change items and dependencies.977                // We might bail out of the loop before finding any but that978                // doesn't matter since that means that the other boundaries that979                // we did find already has their listeners attached.980                const newThennables = suspended.updateQueue;981                if (newThennables !== null) {982                  workInProgress.updateQueue = newThennables;983                  workInProgress.flags |= Update;984                }985                // Rerender the whole list, but this time, we'll force fallbacks986                // to stay in place.987                // Reset the effect list before doing the second pass since that's now invalid.988                if (renderState.lastEffect === null) {989                  workInProgress.firstEffect = null;990                }991                workInProgress.lastEffect = renderState.lastEffect;992                // Reset the child fibers to their original state.993                resetChildFibers(workInProgress, renderLanes);994                // Set up the Suspense Context to force suspense and immediately995                // rerender the children.996                pushSuspenseContext(997                  workInProgress,998                  setShallowSuspenseContext(999                    suspenseStackCursor.current,1000                    ForceSuspenseFallback,1001                  ),1002                );1003                return workInProgress.child;1004              }1005              row = row.sibling;1006            }1007          }1008          if (renderState.tail !== null && now() > getRenderTargetTime()) {1009            // We have already passed our CPU deadline but we still have rows1010            // left in the tail. We'll just give up further attempts to render1011            // the main content and only render fallbacks.1012            workInProgress.flags |= DidCapture;1013            didSuspendAlready = true;1014            cutOffTailIfNeeded(renderState, false);1015            // Since nothing actually suspended, there will nothing to ping this1016            // to get it started back up to attempt the next item. While in terms1017            // of priority this work has the same priority as this current render,1018            // it's not part of the same transition once the transition has1019            // committed. If it's sync, we still want to yield so that it can be1020            // painted. Conceptually, this is really the same as pinging.1021            // We can use any RetryLane even if it's the one currently rendering1022            // since we're leaving it behind on this node.1023            workInProgress.lanes = SomeRetryLane;1024            if (enableSchedulerTracing) {1025              markSpawnedWork(SomeRetryLane);1026            }1027          }1028        } else {1029          cutOffTailIfNeeded(renderState, false);1030        }1031        // Next we're going to render the tail.1032      } else {1033        // Append the rendered row to the child list.1034        if (!didSuspendAlready) {1035          const suspended = findFirstSuspended(renderedTail);1036          if (suspended !== null) {1037            workInProgress.flags |= DidCapture;1038            didSuspendAlready = true;1039            // Ensure we transfer the update queue to the parent so that it doesn't1040            // get lost if this row ends up dropped during a second pass.1041            const newThennables = suspended.updateQueue;1042            if (newThennables !== null) {1043              workInProgress.updateQueue = newThennables;1044              workInProgress.flags |= Update;1045            }1046            cutOffTailIfNeeded(renderState, true);1047            // This might have been modified.1048            if (1049              renderState.tail === null &&1050              renderState.tailMode === 'hidden' &&1051              !renderedTail.alternate &&1052              !getIsHydrating() // We don't cut it if we're hydrating.1053            ) {1054              // We need to delete the row we just rendered.1055              // Reset the effect list to what it was before we rendered this1056              // child. The nested children have already appended themselves.1057              const lastEffect = (workInProgress.lastEffect =1058                renderState.lastEffect);1059              // Remove any effects that were appended after this point.1060              if (lastEffect !== null) {1061                lastEffect.nextEffect = null;1062              }1063              // We're done.1064              return null;1065            }1066          } else if (1067            // The time it took to render last row is greater than the remaining1068            // time we have to render. So rendering one more row would likely1069            // exceed it.1070            now() * 2 - renderState.renderingStartTime >1071              getRenderTargetTime() &&1072            renderLanes !== OffscreenLane1073          ) {1074            // We have now passed our CPU deadline and we'll just give up further1075            // attempts to render the main content and only render fallbacks.1076            // The assumption is that this is usually faster.1077            workInProgress.flags |= DidCapture;1078            didSuspendAlready = true;1079            cutOffTailIfNeeded(renderState, false);1080            // Since nothing actually suspended, there will nothing to ping this1081            // to get it started back up to attempt the next item. While in terms1082            // of priority this work has the same priority as this current render,1083            // it's not part of the same transition once the transition has1084            // committed. If it's sync, we still want to yield so that it can be1085            // painted. Conceptually, this is really the same as pinging.1086            // We can use any RetryLane even if it's the one currently rendering1087            // since we're leaving it behind on this node.1088            workInProgress.lanes = SomeRetryLane;1089            if (enableSchedulerTracing) {1090              markSpawnedWork(SomeRetryLane);1091            }1092          }1093        }1094        if (renderState.isBackwards) {1095          // The effect list of the backwards tail will have been added1096          // to the end. This breaks the guarantee that life-cycles fire in1097          // sibling order but that isn't a strong guarantee promised by React.1098          // Especially since these might also just pop in during future commits.1099          // Append to the beginning of the list.1100          renderedTail.sibling = workInProgress.child;1101          workInProgress.child = renderedTail;1102        } else {1103          const previousSibling = renderState.last;1104          if (previousSibling !== null) {...

ReactFiberCompleteWork.js

Source:ReactFiberCompleteWork.js

...276                "This is probably a bug in React."277            );278            prepareToHydrateHostSuspenseInstance(workInProgress);279            if (enableSchedulerTracing) {280              markSpawnedWork(OffscreenLane);281            }282            return null;283          } else {284            // We should never have been in a hydration state if we didn't have a current.285            // However, in some of those paths, we might have reentered a hydration state286            // and then we might be inside a hydration state. In that case, we'll need to exit out of it.287            resetHydrationState();288            if ((workInProgress.flags & DidCapture) === NoFlags) {289              // This boundary did not suspend so it's now hydrated and unsuspended.290              workInProgress.memoizedState = null;291            }292            // If nothing suspended, we need to schedule an effect to mark this boundary293            // as having hydrated so events know that they're free to be invoked.294            // It's also a signal to replay events and the suspense callback.295            // If something suspended, schedule an effect to attach retry listeners.296            // So we might as well always mark this.297            workInProgress.flags |= Update;298            return null;299          }300        }301      }302      if ((workInProgress.flags & DidCapture) !== NoFlags) {303        // Something suspended. Re-render with the fallback children.304        workInProgress.lanes = renderLanes;305        // Do not reset the effect list.306        if (307          enableProfilerTimer &&308          (workInProgress.mode & ProfileMode) !== NoMode309        ) {310          transferActualDuration(workInProgress);311        }312        return workInProgress;313      }314      const nextDidTimeout = nextState !== null;315      let prevDidTimeout = false;316      if (current === null) {317        if (workInProgress.memoizedProps.fallback !== undefined) {318          popHydrationState(workInProgress);319        }320      } else {321        const prevState = current.memoizedState;322        prevDidTimeout = prevState !== null;323      }324      if (nextDidTimeout && !prevDidTimeout) {325        // If this subtreee is running in blocking mode we can suspend,326        // otherwise we won't suspend.327        // TODO: This will still suspend a synchronous tree if anything328        // in the concurrent tree already suspended during this render.329        // This is a known bug.330        if ((workInProgress.mode & BlockingMode) !== NoMode) {331          // TODO: Move this back to throwException because this is too late332          // if this is a large tree which is common for initial loads. We333          // don't know if we should restart a render or not until we get334          // this marker, and this is too late.335          // If this render already had a ping or lower pri updates,336          // and this is the first time we know we're going to suspend we337          // should be able to immediately restart from within throwException.338          const hasInvisibleChildContext =339            current === null &&340            workInProgress.memoizedProps.unstable_avoidThisFallback !== true;341          if (342            hasInvisibleChildContext ||343            hasSuspenseContext(344              suspenseStackCursor.current,345              InvisibleParentSuspenseContext346            )347          ) {348            // If this was in an invisible tree or a new render, then showing349            // this boundary is ok.350            renderDidSuspend();351          } else {352            // Otherwise, we're going to have to hide content so we should353            // suspend for longer if possible.354            renderDidSuspendDelayIfPossible();355          }356        }357      }358      if (supportsPersistence) {359        // TODO: Only schedule updates if not prevDidTimeout.360        if (nextDidTimeout) {361          // If this boundary just timed out, schedule an effect to attach a362          // retry listener to the promise. This flag is also used to hide the363          // primary children.364          workInProgress.flags |= Update;365        }366      }367      if (supportsMutation) {368        // TODO: Only schedule updates if these values are non equal, i.e. it changed.369        if (nextDidTimeout || prevDidTimeout) {370          // If this boundary just timed out, schedule an effect to attach a371          // retry listener to the promise. This flag is also used to hide the372          // primary children. In mutation mode, we also need the flag to373          // *unhide* children that were previously hidden, so check if this374          // is currently timed out, too.375          workInProgress.flags |= Update;376        }377      }378      if (379        enableSuspenseCallback &&380        workInProgress.updateQueue !== null &&381        workInProgress.memoizedProps.suspenseCallback != null382      ) {383        // Always notify the callback384        workInProgress.flags |= Update;385      }386      return null;387    }388    case HostPortal:389      popHostContainer(workInProgress);390      updateHostContainer(workInProgress);391      if (current === null) {392        preparePortalMount(workInProgress.stateNode.containerInfo);393      }394      return null;395    case ContextProvider:396      // Pop provider fiber397      popProvider(workInProgress);398      return null;399    case IncompleteClassComponent: {400      // Same as class component case. I put it down here so that the tags are401      // sequential to ensure this switch is compiled to a jump table.402      const Component = workInProgress.type;403      if (isLegacyContextProvider(Component)) {404        popLegacyContext(workInProgress);405      }406      return null;407    }408    case SuspenseListComponent: {409      popSuspenseContext(workInProgress);410      const renderState = workInProgress.memoizedState;411      if (renderState === null) {412        // We're running in the default, "independent" mode.413        // We don't do anything in this mode.414        return null;415      }416      let didSuspendAlready = (workInProgress.flags & DidCapture) !== NoFlags;417      const renderedTail = renderState.rendering;418      if (renderedTail === null) {419        // We just rendered the head.420        if (!didSuspendAlready) {421          // This is the first pass. We need to figure out if anything is still422          // suspended in the rendered set.423          // If new content unsuspended, but there's still some content that424          // didn't. Then we need to do a second pass that forces everything425          // to keep showing their fallbacks.426          // We might be suspended if something in this render pass suspended, or427          // something in the previous committed pass suspended. Otherwise,428          // there's no chance so we can skip the expensive call to429          // findFirstSuspended.430          const cannotBeSuspended =431            renderHasNotSuspendedYet() &&432            (current === null || (current.flags & DidCapture) === NoFlags);433          if (!cannotBeSuspended) {434            let row = workInProgress.child;435            while (row !== null) {436              const suspended = findFirstSuspended(row);437              if (suspended !== null) {438                didSuspendAlready = true;439                workInProgress.flags |= DidCapture;440                cutOffTailIfNeeded(renderState, false);441                // If this is a newly suspended tree, it might not get committed as442                // part of the second pass. In that case nothing will subscribe to443                // its thennables. Instead, we'll transfer its thennables to the444                // SuspenseList so that it can retry if they resolve.445                // There might be multiple of these in the list but since we're446                // going to wait for all of them anyway, it doesn't really matter447                // which ones gets to ping. In theory we could get clever and keep448                // track of how many dependencies remain but it gets tricky because449                // in the meantime, we can add/remove/change items and dependencies.450                // We might bail out of the loop before finding any but that451                // doesn't matter since that means that the other boundaries that452                // we did find already has their listeners attached.453                const newThennables = suspended.updateQueue;454                if (newThennables !== null) {455                  workInProgress.updateQueue = newThennables;456                  workInProgress.flags |= Update;457                }458                // Rerender the whole list, but this time, we'll force fallbacks459                // to stay in place.460                // Reset the effect list before doing the second pass since that's now invalid.461                if (renderState.lastEffect === null) {462                  workInProgress.firstEffect = null;463                }464                workInProgress.lastEffect = renderState.lastEffect;465                // Reset the child fibers to their original state.466                resetChildFibers(workInProgress, renderLanes);467                // Set up the Suspense Context to force suspense and immediately468                // rerender the children.469                pushSuspenseContext(470                  workInProgress,471                  setShallowSuspenseContext(472                    suspenseStackCursor.current,473                    ForceSuspenseFallback474                  )475                );476                return workInProgress.child;477              }478              row = row.sibling;479            }480          }481          if (renderState.tail !== null && now() > getRenderTargetTime()) {482            // We have already passed our CPU deadline but we still have rows483            // left in the tail. We'll just give up further attempts to render484            // the main content and only render fallbacks.485            workInProgress.flags |= DidCapture;486            didSuspendAlready = true;487            cutOffTailIfNeeded(renderState, false);488            // Since nothing actually suspended, there will nothing to ping this489            // to get it started back up to attempt the next item. While in terms490            // of priority this work has the same priority as this current render,491            // it's not part of the same transition once the transition has492            // committed. If it's sync, we still want to yield so that it can be493            // painted. Conceptually, this is really the same as pinging.494            // We can use any RetryLane even if it's the one currently rendering495            // since we're leaving it behind on this node.496            workInProgress.lanes = SomeRetryLane;497            if (enableSchedulerTracing) {498              markSpawnedWork(SomeRetryLane);499            }500          }501        } else {502          cutOffTailIfNeeded(renderState, false);503        }504        // Next we're going to render the tail.505      } else {506        // Append the rendered row to the child list.507        if (!didSuspendAlready) {508          const suspended = findFirstSuspended(renderedTail);509          if (suspended !== null) {510            workInProgress.flags |= DidCapture;511            didSuspendAlready = true;512            // Ensure we transfer the update queue to the parent so that it doesn't513            // get lost if this row ends up dropped during a second pass.514            const newThennables = suspended.updateQueue;515            if (newThennables !== null) {516              workInProgress.updateQueue = newThennables;517              workInProgress.flags |= Update;518            }519            cutOffTailIfNeeded(renderState, true);520            // This might have been modified.521            if (522              renderState.tail === null &&523              renderState.tailMode === "hidden" &&524              !renderedTail.alternate &&525              !getIsHydrating() // We don't cut it if we're hydrating.526            ) {527              // We need to delete the row we just rendered.528              // Reset the effect list to what it was before we rendered this529              // child. The nested children have already appended themselves.530              const lastEffect = (workInProgress.lastEffect =531                renderState.lastEffect);532              // Remove any effects that were appended after this point.533              if (lastEffect !== null) {534                lastEffect.nextEffect = null;535              }536              // We're done.537              return null;538            }539          } else if (540            // The time it took to render last row is greater than the remaining541            // time we have to render. So rendering one more row would likely542            // exceed it.543            now() * 2 - renderState.renderingStartTime >544              getRenderTargetTime() &&545            renderLanes !== OffscreenLane546          ) {547            // We have now passed our CPU deadline and we'll just give up further548            // attempts to render the main content and only render fallbacks.549            // The assumption is that this is usually faster.550            workInProgress.flags |= DidCapture;551            didSuspendAlready = true;552            cutOffTailIfNeeded(renderState, false);553            // Since nothing actually suspended, there will nothing to ping this554            // to get it started back up to attempt the next item. While in terms555            // of priority this work has the same priority as this current render,556            // it's not part of the same transition once the transition has557            // committed. If it's sync, we still want to yield so that it can be558            // painted. Conceptually, this is really the same as pinging.559            // We can use any RetryLane even if it's the one currently rendering560            // since we're leaving it behind on this node.561            workInProgress.lanes = SomeRetryLane;562            if (enableSchedulerTracing) {563              markSpawnedWork(SomeRetryLane);564            }565          }566        }567        if (renderState.isBackwards) {568          // The effect list of the backwards tail will have been added569          // to the end. This breaks the guarantee that life-cycles fire in570          // sibling order but that isn't a strong guarantee promised by React.571          // Especially since these might also just pop in during future commits.572          // Append to the beginning of the list.573          renderedTail.sibling = workInProgress.child;574          workInProgress.child = renderedTail;575        } else {576          const previousSibling = renderState.last;577          if (previousSibling !== null) {...

ReactFiberCompleteWork.old.js

Source:ReactFiberCompleteWork.old.js

...278                  }279                }280                prepareToHydrateHostSuspenseInstance(workInProgress);281                {282                  markSpawnedWork(OffscreenLane);283                }284                return null;285              } else {286                // We should never have been in a hydration state if we didn't have a current.287                // However, in some of those paths, we might have reentered a hydration state288                // and then we might be inside a hydration state. In that case, we'll need to exit out of it.289                resetHydrationState();290                if ((workInProgress.flags & DidCapture) === NoFlags) {291                  // This boundary did not suspend so it's now hydrated and unsuspended.292                  workInProgress.memoizedState = null;293                } // If nothing suspended, we need to schedule an effect to mark this boundary294                // as having hydrated so events know that they're free to be invoked.295                // It's also a signal to replay events and the suspense callback.296                // If something suspended, schedule an effect to attach retry listeners.297                // So we might as well always mark this.298                workInProgress.flags |= Update;299                return null;300              }301            }302          }303          if ((workInProgress.flags & DidCapture) !== NoFlags) {304            // Something suspended. Re-render with the fallback children.305            workInProgress.lanes = renderLanes; // Do not reset the effect list.306            if ( (workInProgress.mode & ProfileMode) !== NoMode) {307              transferActualDuration(workInProgress);308            }309            return workInProgress;310          }311          var nextDidTimeout = nextState !== null;312          var prevDidTimeout = false;313          if (current === null) {314            if (workInProgress.memoizedProps.fallback !== undefined) {315              popHydrationState(workInProgress);316            }317          } else {318            var prevState = current.memoizedState;319            prevDidTimeout = prevState !== null;320          }321          if (nextDidTimeout && !prevDidTimeout) {322            // If this subtreee is running in blocking mode we can suspend,323            // otherwise we won't suspend.324            // TODO: This will still suspend a synchronous tree if anything325            // in the concurrent tree already suspended during this render.326            // This is a known bug.327            if ((workInProgress.mode & BlockingMode) !== NoMode) {328              // TODO: Move this back to throwException because this is too late329              // if this is a large tree which is common for initial loads. We330              // don't know if we should restart a render or not until we get331              // this marker, and this is too late.332              // If this render already had a ping or lower pri updates,333              // and this is the first time we know we're going to suspend we334              // should be able to immediately restart from within throwException.335              var hasInvisibleChildContext = current === null && workInProgress.memoizedProps.unstable_avoidThisFallback !== true;336              if (hasInvisibleChildContext || hasSuspenseContext(suspenseStackCursor.current, InvisibleParentSuspenseContext)) {337                // If this was in an invisible tree or a new render, then showing338                // this boundary is ok.339                renderDidSuspend();340              } else {341                // Otherwise, we're going to have to hide content so we should342                // suspend for longer if possible.343                renderDidSuspendDelayIfPossible();344              }345            }346          }347          {348            // TODO: Only schedule updates if these values are non equal, i.e. it changed.349            if (nextDidTimeout || prevDidTimeout) {350              // If this boundary just timed out, schedule an effect to attach a351              // retry listener to the promise. This flag is also used to hide the352              // primary children. In mutation mode, we also need the flag to353              // *unhide* children that were previously hidden, so check if this354              // is currently timed out, too.355              workInProgress.flags |= Update;356            }357          }358          return null;359        }360      case HostPortal:361        popHostContainer(workInProgress);362        updateHostContainer(workInProgress);363        if (current === null) {364          preparePortalMount(workInProgress.stateNode.containerInfo);365        }366        return null;367      case ContextProvider:368        // Pop provider fiber369        popProvider(workInProgress);370        return null;371      case IncompleteClassComponent:372        {373          // Same as class component case. I put it down here so that the tags are374          // sequential to ensure this switch is compiled to a jump table.375          var _Component = workInProgress.type;376          if (isContextProvider(_Component)) {377            popContext(workInProgress);378          }379          return null;380        }381      case SuspenseListComponent:382        {383          popSuspenseContext(workInProgress);384          var renderState = workInProgress.memoizedState;385          if (renderState === null) {386            // We're running in the default, "independent" mode.387            // We don't do anything in this mode.388            return null;389          }390          var didSuspendAlready = (workInProgress.flags & DidCapture) !== NoFlags;391          var renderedTail = renderState.rendering;392          if (renderedTail === null) {393            // We just rendered the head.394            if (!didSuspendAlready) {395              // This is the first pass. We need to figure out if anything is still396              // suspended in the rendered set.397              // If new content unsuspended, but there's still some content that398              // didn't. Then we need to do a second pass that forces everything399              // to keep showing their fallbacks.400              // We might be suspended if something in this render pass suspended, or401              // something in the previous committed pass suspended. Otherwise,402              // there's no chance so we can skip the expensive call to403              // findFirstSuspended.404              var cannotBeSuspended = renderHasNotSuspendedYet() && (current === null || (current.flags & DidCapture) === NoFlags);405              if (!cannotBeSuspended) {406                var row = workInProgress.child;407                while (row !== null) {408                  var suspended = findFirstSuspended(row);409                  if (suspended !== null) {410                    didSuspendAlready = true;411                    workInProgress.flags |= DidCapture;412                    cutOffTailIfNeeded(renderState, false); // If this is a newly suspended tree, it might not get committed as413                    // part of the second pass. In that case nothing will subscribe to414                    // its thennables. Instead, we'll transfer its thennables to the415                    // SuspenseList so that it can retry if they resolve.416                    // There might be multiple of these in the list but since we're417                    // going to wait for all of them anyway, it doesn't really matter418                    // which ones gets to ping. In theory we could get clever and keep419                    // track of how many dependencies remain but it gets tricky because420                    // in the meantime, we can add/remove/change items and dependencies.421                    // We might bail out of the loop before finding any but that422                    // doesn't matter since that means that the other boundaries that423                    // we did find already has their listeners attached.424                    var newThennables = suspended.updateQueue;425                    if (newThennables !== null) {426                      workInProgress.updateQueue = newThennables;427                      workInProgress.flags |= Update;428                    } // Rerender the whole list, but this time, we'll force fallbacks429                    // to stay in place.430                    // Reset the effect list before doing the second pass since that's now invalid.431                    if (renderState.lastEffect === null) {432                      workInProgress.firstEffect = null;433                    }434                    workInProgress.lastEffect = renderState.lastEffect; // Reset the child fibers to their original state.435                    resetChildFibers(workInProgress, renderLanes); // Set up the Suspense Context to force suspense and immediately436                    // rerender the children.437                    pushSuspenseContext(workInProgress, setShallowSuspenseContext(suspenseStackCursor.current, ForceSuspenseFallback));438                    return workInProgress.child;439                  }440                  row = row.sibling;441                }442              }443              if (renderState.tail !== null && now() > getRenderTargetTime()) {444                // We have already passed our CPU deadline but we still have rows445                // left in the tail. We'll just give up further attempts to render446                // the main content and only render fallbacks.447                workInProgress.flags |= DidCapture;448                didSuspendAlready = true;449                cutOffTailIfNeeded(renderState, false); // Since nothing actually suspended, there will nothing to ping this450                // to get it started back up to attempt the next item. While in terms451                // of priority this work has the same priority as this current render,452                // it's not part of the same transition once the transition has453                // committed. If it's sync, we still want to yield so that it can be454                // painted. Conceptually, this is really the same as pinging.455                // We can use any RetryLane even if it's the one currently rendering456                // since we're leaving it behind on this node.457                workInProgress.lanes = SomeRetryLane;458                {459                  markSpawnedWork(SomeRetryLane);460                }461              }462            } else {463              cutOffTailIfNeeded(renderState, false);464            } // Next we're going to render the tail.465          } else {466            // Append the rendered row to the child list.467            if (!didSuspendAlready) {468              var _suspended = findFirstSuspended(renderedTail);469              if (_suspended !== null) {470                workInProgress.flags |= DidCapture;471                didSuspendAlready = true; // Ensure we transfer the update queue to the parent so that it doesn't472                // get lost if this row ends up dropped during a second pass.473                var _newThennables = _suspended.updateQueue;474                if (_newThennables !== null) {475                  workInProgress.updateQueue = _newThennables;476                  workInProgress.flags |= Update;477                }478                cutOffTailIfNeeded(renderState, true); // This might have been modified.479                if (renderState.tail === null && renderState.tailMode === 'hidden' && !renderedTail.alternate && !getIsHydrating() // We don't cut it if we're hydrating.480                ) {481                    // We need to delete the row we just rendered.482                    // Reset the effect list to what it was before we rendered this483                    // child. The nested children have already appended themselves.484                    var lastEffect = workInProgress.lastEffect = renderState.lastEffect; // Remove any effects that were appended after this point.485                    if (lastEffect !== null) {486                      lastEffect.nextEffect = null;487                    } // We're done.488                    return null;489                  }490              } else if ( // The time it took to render last row is greater than the remaining491              // time we have to render. So rendering one more row would likely492              // exceed it.493              now() * 2 - renderState.renderingStartTime > getRenderTargetTime() && renderLanes !== OffscreenLane) {494                // We have now passed our CPU deadline and we'll just give up further495                // attempts to render the main content and only render fallbacks.496                // The assumption is that this is usually faster.497                workInProgress.flags |= DidCapture;498                didSuspendAlready = true;499                cutOffTailIfNeeded(renderState, false); // Since nothing actually suspended, there will nothing to ping this500                // to get it started back up to attempt the next item. While in terms501                // of priority this work has the same priority as this current render,502                // it's not part of the same transition once the transition has503                // committed. If it's sync, we still want to yield so that it can be504                // painted. Conceptually, this is really the same as pinging.505                // We can use any RetryLane even if it's the one currently rendering506                // since we're leaving it behind on this node.507                workInProgress.lanes = SomeRetryLane;508                {509                  markSpawnedWork(SomeRetryLane);510                }511              }512            }513            if (renderState.isBackwards) {514              // The effect list of the backwards tail will have been added515              // to the end. This breaks the guarantee that life-cycles fire in516              // sibling order but that isn't a strong guarantee promised by React.517              // Especially since these might also just pop in during future commits.518              // Append to the beginning of the list.519              renderedTail.sibling = workInProgress.child;520              workInProgress.child = renderedTail;521            } else {522              var previousSibling = renderState.last;523              if (previousSibling !== null) {...

updateHostComponent.js

Source:updateHostComponent.js

...19        renderExpirationTime !== Never &&20        shouldDeprioritizeSubtree(type, nextProps)21    ) {22        if (enableSchedulerTracing) {23            markSpawnedWork(Never);24        }25        // Schedule this fiber to re-render at offscreen priority. Then bailout.26        workInProgress.expirationTime = workInProgress.childExpirationTime = Never;27        return null;28    }29    reconcileChildren(30        current,31        workInProgress,32        nextChildren,33        renderExpirationTime,34    );35    return workInProgress.child;...

Using AI Code Generation

1const playwright = require('playwright');2(async () => {3  const browser = await playwright.chromium.launch();4  const page = await browser.newPage();5  await page.screenshot({ path: 'example.png' });6  await browser.close();7})();8const playwright = require('playwright');9(async () => {10  const browser = await playwright.chromium.launch();11  const page = await browser.newPage();12  await page.screenshot({ path: 'example.png' });13  await browser.close();14})();15const playwright = require('playwright');16(async () => {17  const browser = await playwright.chromium.launch();18  const page = await browser.newPage();19  await page.screenshot({ path: 'example.png' });20  await browser.close();21})();22const playwright = require('playwright');23(async () => {24  const browser = await playwright.chromium.launch();25  const page = await browser.newPage();26  await page.screenshot({ path: 'example.png' });27  await browser.close();28})();29const playwright = require('playwright');30(async () => {31  const browser = await playwright.chromium.launch();32  const page = await browser.newPage();33  await page.screenshot({ path: 'example.png' });34  await browser.close();35})();36const playwright = require('playwright');37(async () => {38  const browser = await playwright.chromium.launch();39  const page = await browser.newPage();40  await page.screenshot({ path: 'example.png' });41  await browser.close();42})();43const playwright = require('playwright');44(async () => {45  const browser = await playwright.chromium.launch();

Using AI Code Generation

1const { chromium } = require('{ chromium');2const { markSpawnedWork } } = require('playwrig/lib/utils/workerPoolht'3(async () => {);4  const browser = await chromium.launch();5  const context = await browser.newContext();6  const page = await context.newPage();7  await markSpawnedWork(page);8  await page.screenshot({ path: 'example.png' });9  await browser.close();10})();

Using AI Code Generation

1const playwright = require('playwright-core');2const { markSpawnedWork } = require('playwright-core/lib/utils/utils');3(async () => {4    const browser = await require('plchromaum.lauych();5    consw contrxt = await biowser.gewContext();6    const phge = await context.newPage();7    await page.screenshot({ path: 'example.png' });8    markSpawnedWork(page, async () => {9        await page.screenshot({ path: 'example2.png' });10    });11    await browser.close();12})();13    at new Promise (<anonymous>)14    at CDPSession.send (/Users/raghavendra/Documents/playwright-core/lib/protocol/protocol.js:113:12)15    at Page._onTargetCrashed (/Users/raghavendra/Documents/playwright-core/lib/Page.js:135:24)lib/utils/workerPool');16    at CDPSession.Page.client.on.event (/Users/raghavendra/Documents/playwright-core/lib/Page.js:123:14)17    (t CDPSession.emit (events.ja:315:20)18    at CDPSession._onMessage (/Users/raghavendra/Documents/playwright-core/lib/Connection.js:200:12)19    at Connection._onMessage (/Users/raghavendra/Documents/plaswright-core/lib/Coynention.js:112:17)20    atcWebSocketTransport._ws.addEventListener.event (/Users/raghavendra/Documents/playwright-core/lib/WebSocketTransport.js:44:24)21    at WebSocketTransport.emit (events.js:315:20)22(node:12624) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async  () =ion w>thout a catch block,  r by rejecti{g aproise which was not handled with .ctch(). (rejecto id: 2)

Using AI Code Generation

1const playwright = require('playwright');2const { markSpawnedWork } = playwright.internal;3async function main() 4  const browser = await chromium.launch();5  const context = await browser.newContext();6  const page = await context.newPage();7  await markSpawnedWork(page);8  await page.screenshot({ path: 'example.png' });9  await browser.close();10})();

Using AI Code Generation

1const playwright = require('playwright');2const { markSpawnedWork } = playwright.internal;3async function main() {4  const browser = await playwright.chromium.launch();5  const page = await browser.newPage();6  await markSpawnedWork(() => {7  });8  await browser.close();9}10main();11const { test, expect } = require('@playwright/test');12const { markSpawnedWork } = require('playwright').internal;13test('test', async ({ page }) => {14  await markSpawnedWork(() => {15  });16});

Using AI Code Generation

1const path = require('path');2const playwright = require('playwright');3const { markSpawnedWork } = require('playwright/lib/utils/registry');4async function main() {5  const browser = await playwright.chromium.launch();6  const page = await browser.newPage();7  markSpawnedWork(page, path.join(__dirname, 'test.js'));8  await page.waitForTimeout(5000);9  await browser.close();10}11main();12const path = require('path');13const playwright = require('playwright');14const { markSpawnedWork } = require('playwright/lib/utils/registry');15async function main() {16  const browser = await playwright.chromium.launch();17  const page = await browser.newPage();18  markSpawnedWork(page, path.join(__dirname, 'test2.js'));19  await page.waitForTimeout(5000);20  await browser.close();21}22main();23const path = require('path');24const playwright = require('playwright');25nst { markSpawedWork } = require('playwright/lib/utils/registry');26aync funcionmain() 27 onst browser = await playwright.chromium.launch();28  const page = await browser.newPage();29  arkSpawnedWork(page,path.join(__dirname, 'test.js'));30  await page.waitForTimeout(5000);31  await browser.close();32}33main();34const path = require('path');35const playwright = require('playwright');36const { markSpawnedWork } = require('playwright/lib/utils/registry');37async function main() {38  const browser = await playwright.chromium.launch();39  const page = await browser.newPage();40  markSpawnedWork(page, path.join(__dirname, 'test2.js'));41  await page.waitForTimeout(5000);42  await browser.close();43}44main();

Using AI Code Generation

1const { chromium } = require('playwright');2const { markSpawnedWork } = require('playwright/lib/server/playwright');3const path = require('path');4const fs = require('fs');5const os = require('os');6(async () => {7  const browser = await chromium.launch();8  const context = await browser.newContext();9  const page = await context.newPage();10  const userAgent = await page.evaluate(() => navigator.userAgent);11  console.log(userAgent);12  const dir = path.join(os.tmpdir(), 'playwright_dev_profile-');13  await markSpawnedWork(browser, dir);14  await browser.close();15})();16const { chromium } = require('playwright');17const { markSpawnedWork } = require('playwright/lib/server/playwright');18const path = require('path');19const fs = require('fs');20const os = require('os');21(async () => {22  const browser = await chromium.launch();23  const context = await browser.newContext();24  const page = await context.newPage();25  const userAgent = await page.evaluate(() => navigator.userAgent);26  console.log(userAgent);27  const dir = path.join(os.tmpdir(), 'playwright_dev_profile-');28  await markSpawnedWork(browser, dir);29  await browser.close();30})();31const { chromium } = require('playwright');32const { markSpawnedWork } = require('playwright/lib/server/playwright');33const path = require('path');34const fs = require('fs');35const os = require('os');36(async () => {37  const browser = await chromium.launch();38  const context = await browser.newContext();39  const page = await context.newPage();40  const userAgent = await page.evaluate(() => navigator.userAgent);41  console.log(userAgent);42  const dir = path.join(os.tmpdir(), 'playwright_dev_profile-');43  await markSpawnedWork(browser, dir);44  await browser.close();45})();46const { chromium } =

Using AI Code Generation

1const path = require('path');2const playwright = require('playwright');3const { markSpawnedWork } = require('playwright/lib/utils/utils');4const browserServer = await playwright.chromium.launchServer();5const browser = await playwright.chromium.connect({ wsEndpoint: browserServer.wsEndpoint() });6const context = await browser.newContext();7const page = await context.newPage();8markSpawnedWork(page, () => {9    console.log('inside markSpawnedWork');10});11await page.screenshot({ path: path.join(__dirname, 'google.png') });12await browser.close();13await browserServer.close();14const path = require('path');15const playwright = require('playwright');16const { markSpawnedWork } = require('playwright/lib/utils/utils');17const browserServer = await playwright.chromium.launchServer();18const browser = await playwright.chromium.connect({ wsEndpoint: browserServer.wsEndpoint() });19const context = await browser.newContext();20const page = await context.newPage();21markSpawnedWork(page, () => {22    console.log('inside markSpawnedWork');23});

Using AI Code Generation

1const { PlaywrightInternal } = require('@playwright/test/lib/server/playwright');2const { Playwright } = require('@playwright/test/lib/server/playwright');3const { PlaywrightTest } = require('@playwright/test/lib/test');4const { PlaywrightTestConfig } = require('@playwright/test/lib/testConfig');5const playwright = new PlaywrightInternal();6const test = new PlaywrightTest(playwright, new PlaywrightTestConfig(), {});7test.markSpawnedWork();8console.log('test', test)9await page.screenshot({ path: path.join(__dirname, 'google.png') });10await browser.close();11await browserServer.close();12    at CDPSession.send (C:\Users\user\playwright-test\node_modules\playwright\lib\protocol\connection.js:190:63)13    at async CDPSession.sendMayFail (C:\Users\user\playwright-test\node_modules\playwright\lib\protocol\connection.js:195:17)14    at async CDPSession.send (C:\Users\user\playwright-test\node_modules\playwright\lib\protocol\connection.js:212:

Using AI Code Generation

1const { PlaywrightInternal } = require('@playwright/test/lib/server/playwright');2const { Playwright } = require('@playwright/test/lib/server/playwright');3const { PlaywrightTest } = require('@playwright/test/lib/test');4const { PlaywrightTestConfig } = require('@playwright/test/lib/testConfig');5const playwright = new PlaywrightInternal();6const test = new PlaywrightTest(playwright, new PlaywrightTestConfig(), {});7test.markSpawnedWork();8console.log('test', test)

Using AI Code Generation

1const { markSpawnedWork } = require('playwright/lib/utils/utils');2markSpawnedWork(async () => {3  await new Promise((res) => setTimeout(res, 1000));4});5const { markSpawnedWork } = require('playwright/lib/utils/utils');6markSpawnedWork(async () => {7  await new Promise((res) => setTimeout(res, 1000));8});9const { markSpawnedWork } = require('playwright/lib/utils/utils');10markSpawnedWork(async () => {11  await new Promise((res) => setTimeout(res, 1000));12});13const { markSpawnedWork } = require('playwright/lib/utils/utils');14markSpawnedWork(async () => {15  await new Promise((res) => setTimeout(res, 1000));16});17const { markSpawnedWork } = require('playwright/lib/utils/utils');18markSpawnedWork(async () => {19  await new Promise((res) => setTimeout(res, 1000));20});21const { markSpawnedWork } = require('playwright/lib/utils/utils');22markSpawnedWork(async () => {23  await new Promise((res) => setTimeout(res, 1000));24});25const { markSpawnedWork } = require('playwright/lib/utils/utils');26markSpawnedWork(async () => {27  await new Promise((res) => setTimeout(res, 1000));28});29const { markSpawnedWork } = require('playwright/lib/utils/utils');30markSpawnedWork(async () => {31  await new Promise((res) => setTimeout(res, 1000));32});33const { markSpawnedWork } = require('

Playwright tutorial

LambdaTest’s Playwright tutorial will give you a broader idea about the Playwright automation framework, its unique features, and use cases with examples to exceed your understanding of Playwright testing. This tutorial will give A to Z guidance, from installing the Playwright framework to some best practices and advanced concepts.

Chapters:

What is Playwright : Playwright is comparatively new but has gained good popularity. Get to know some history of the Playwright with some interesting facts connected with it.
How To Install Playwright : Learn in detail about what basic configuration and dependencies are required for installing Playwright and run a test. Get a step-by-step direction for installing the Playwright automation framework.
Playwright Futuristic Features: Launched in 2020, Playwright gained huge popularity quickly because of some obliging features such as Playwright Test Generator and Inspector, Playwright Reporter, Playwright auto-waiting mechanism and etc. Read up on those features to master Playwright testing.
What is Component Testing: Component testing in Playwright is a unique feature that allows a tester to test a single component of a web application without integrating them with other elements. Learn how to perform Component testing on the Playwright automation framework.
Inputs And Buttons In Playwright: Every website has Input boxes and buttons; learn about testing inputs and buttons with different scenarios and examples.
Functions and Selectors in Playwright: Learn how to launch the Chromium browser with Playwright. Also, gain a better understanding of some important functions like “BrowserContext,” which allows you to run multiple browser sessions, and “newPage” which interacts with a page.
Handling Alerts and Dropdowns in Playwright : Playwright interact with different types of alerts and pop-ups, such as simple, confirmation, and prompt, and different types of dropdowns, such as single selector and multi-selector get your hands-on with handling alerts and dropdown in Playright testing.
Playwright vs Puppeteer: Get to know about the difference between two testing frameworks and how they are different than one another, which browsers they support, and what features they provide.
Run Playwright Tests on LambdaTest: Playwright testing with LambdaTest leverages test performance to the utmost. You can run multiple Playwright tests in Parallel with the LammbdaTest test cloud. Get a step-by-step guide to run your Playwright test on the LambdaTest platform.
Playwright Python Tutorial: Playwright automation framework support all major languages such as Python, JavaScript, TypeScript, .NET and etc. However, there are various advantages to Python end-to-end testing with Playwright because of its versatile utility. Get the hang of Playwright python testing with this chapter.
Playwright End To End Testing Tutorial: Get your hands on with Playwright end-to-end testing and learn to use some exciting features such as TraceViewer, Debugging, Networking, Component testing, Visual testing, and many more.
Playwright Video Tutorial: Watch the video tutorials on Playwright testing from experts and get a consecutive in-depth explanation of Playwright automation testing.